1. He is to come to the lab at 10 o’clock. 2. The atom is to serve mankind. 3. He had to work hard before he was able to complete his research. 4. You will have to show the equation to your teacher. 5. As the student was late he was not allowed to enter the classroom. 6. He is to take his exam in June. 7. You ought to see a doctor. 8. You should know about it. 9. The students were unable (were not able) to do the work without their teacher’s help. He had to help them.

1. The situation in the market is very changeable. 2. His professional skills are high. 3. It was an important decision. 4. The monetary unit is understandable. 5. They are very confident and independent. 6. The successful candidate must be creative. 7. He is responsible for this division. 8. We are a leading company in the market. 9. We produce competitive products. 10. These were useless efforts. 11. It was a costly mistake. 12. IBM is a famous company. 13. They were wealthy bankers. 14. He is a famous lawyer. 15. Our auditors were sent to audit the firm accounts. 16. The development of this line is important. 17. She has got a promotion. 18. You did it on your own initiative. 19. Her performance is very good. 19. Employee training programs are very interesting. 20. Everything should be done with accuracy. 21. In over 150 years capitalism spread all over the world. 22. Sometimes English does not use forms of politeness which are common in other languages. 23. He is enjoying his newly-found freedom. 24. Their products are famous for their reliability. 25. He will be a very good economist.